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Noctua vs NASA APOD

Same instrument, two spec sheets — measured, not claimed.

APINoctuaNEW—NASA APODHEALTHY—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthnoneapiKey
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearyes
Data licenseUnverifiedPublic domain (US Gov)
Free tierFree — limits not published1,000 req/hour with free key
Rate limitUnpublishedDEMO_KEY: 30/hour, 50/day
In directory since2026-07-052026-05-02
operationalpartialdownno data

Noctua vs NASA APOD: common questions

Which is more reliable, Noctua or NASA APOD?

On our scheduled checks, NASA APOD leads on measured uptime — Noctua at —% versus NASA APOD at —% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.

Do Noctua and NASA APOD need an API key?

Noctua needs no key, while NASA APOD requires a free API key. If you want to start calling without signup, reach for Noctua first.

Can I call Noctua and NASA APOD from the browser?

Only NASA APOD is browser-friendly — it returns CORS headers over HTTPS. Noctua needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are Noctua and NASA APOD free for commercial use?

Noctua has unclear commercial terms, and NASA APOD allows commercial use on its free tier. We track service terms and the data license as separate fields — see the Commercial use and Data license rows above, and confirm both before shipping either in a paid product.